Atomic StructureIsotopes1341Choose the best answerWhich number remains the same in all isotopes of an element?ANumber of protonsBNumber of neutronsCNumber of nucleonsDMass number Like 0 Discuss 0Share
Atomic StructureEnergy of Electron in Bohr Orbit1342Choose the best answerAccording to Bohr's model, the energy of an electron in the nth orbit of hydrogen is:AEₙ = −13.6/n⁴ eVBEₙ = −13.6/n³ eVCEₙ = −13.6/n² eVDEₙ = −13.6/n eV Like 0 Discuss 0Share
GasesBoyle's Law1343Choose the best answerBoyle's law describes the relationship between:AVolume and temperature at constant pressureBPressure and volume at constant temperatureCVolume and number of moles at constant temperature and pressureDPressure and temperature at constant volume Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Benzene & Aromatic Compounds#Bonding in Benzene1344Choose the best answerRatio of σ bonds and π bonds present in benzene are: (IBA MDCAT 2025)A4:1B1:4C2:3D6:1 Like 5 Discuss 0Share
Alcohols and PhenolsReducing Agents for Carbonyl Compounds1345Choose the best answerWhich reagent readily reduces aldehydes and ketones but is generally too mild to reduce esters and carboxylic acids?ALiAlH₄BNaBH₄CH₂SO₄DPCl₅ Like 0 Discuss 0Share